Episode 1 - Twinning

In an unprecedented Naked and Afraid challenge, identical twin sisters Amber and Serena, as well as brothers Warren and Thomas, are dropped in the African savannah. They take on rhinos, hyenas and a territorial leopard stalking their camp.

Episode 2 - Little Person, Big Challenge

Underestimated his whole life, a survivalist with dwarfism tries to prove himself in the Amazon but struggles against predators and his partner.

Episode 3 - Bahama Drama

In the Bahamas two fans face relentless insects and aggressive sharks during hurricane season.

Episode 4 - Two Tarzans, One Jane

When a third survivalist is added to the mix, romantic complications make surviving the Colombian jungle's poisonous dart frogs and deadly jaguars much more complicated. Feeling left out, a survivalist's emotional breakdown puts his challenge at risk

Episode 5 - Naked and Ghosted

In a brutal Mexican jungle known to be haunted by Mayan spirits, All-star survivalists Sarah and Trent are tormented by rain, predators and spirits of the rainforest.

Episode 6 - Close Encounters

Two strangers are dropped in one of the most dangerous African locations in the dead heat of Summer. Faced with aggressive hippos and charging elephants they quickly learn their place, but must mark their territory if they want to make it 21 Days.

Episode 7 - In Too Deep

On the edge of the Bermuda Triangle, an Army veteran dive master and a Cajun boat captain take on relentless thunderstorms and battle dehydration as they try navigate more than 20 miles of open ocean in the ultimate test of sink or swim.

Episode 8 - Blood, Sweat And Fears

Two survivalists gets frustrated while trying to navigate the flooded jungles of Belize; the man-and-woman team faces a maze of poisonous snakes and rabid bat infested caves, all in the name of conquering their fears.

Episode 9 - Trying To Deal With The Devil

Deep in Mexico's Baja desert lies the scorching wasteland of the Devil's Canyon. A Canadian mountain man teams up with an experienced homesteader to take on the canyon's triple-digit heat, scarce water, and venomous predators

Episode 10 - Biting Back at Africa

In a unique four-person challenge, a lion attack survivor returns to Africa to face her fears. Surrounded by lions, crocodiles and cape buffalo, the tribe of four struggles against constant threats and each other as they try to survive in a kill zone

Episode 11 - Shaken and Very Stirred

A powerful earthquake in the Philippine jungle rattles a thrill-seeking chef and a competitive hockey mom, but the territorial monkeys, rainstorms, lack of food, and dehydration lead to a disastrous face-first fall.

Episode 12 - Amazoned Out

Superfans Molly and Nate are dropped deep in the Amazon rainforest, a place that's taken down the best of the best; they lean on lessons learned from their couches to push through torrential rain, relentless bugs, and extreme sleep deprivation.

Episode 13 - Ring of Fire

In the frigid mountains of Bulgaria, wolves circle a successful fan survivalist trying to conquer the 21-day challenge. Large fires are their defense against predators and hypothermia until the flames fan out of control and become the biggest threat.

Episode 14 - 21 Miles, 21 Days

In a lethal African hunting ground, a biker chick and a taxidermist have to stay on the move to survive. The pair must push across 21 miles of savannah to find food and water while avoiding a pride of lions that's tracking them every step of the way.

Episode 15 - Honeymoon From Hell

A married couple goes from watching the challenge from their couch in Idaho to taking it on in the perilous Philippine jungle. Torrential rain, relentless bugs and deadly boars put their survival skills -- and their marriage to the ultimate test.

Episode 16 - Don't Cave In

In the relentless Colombian jungle, a mom and National Guard vet teams with a firefighter. Violent storms and hypothermic conditions force them to huddle in bat-infested caves. A special bond develops between a survivalist and a wild monkey.

Episode 17 - Snow Daze

In the frozen American Rockies, snow storms and freezing temperatures force the survivalists to make risky choices with their fire and food sources. An out of control blaze and toxic mushrooms put their challenge and safety at risk.

Episode 18 - Episode 18

Episode 19 - Episode 19

Episode 20 - Episode 20

Episode 21 - Episode 21

Episode 22 - Episode 22

Episode 23 - Episode 23

Episode 24 - Episode 24

Episode 25 - Episode 25